.o-section-slide {
    max-height: 0;
    transition: max-height 0.35s ease;

    &.o-section-slide-enter,
    &.o-section-slide-leave {
        overflow: hidden !important;
    }
    &.o-section-slide-enter-active {
        max-height: 20rem; // fixed value is required to properly trigger transition
        overflow: auto;
    }
}